- An American coastal food fish (Alosa sapidissima).
- A species (Dorosoma cepedianum) widely introduced into fresh waters of the U.S. as food for other fish.
Origin of shad
- Middle English schad from Old English sceadd
From American Heritage Dictionary of the English Language, 5th Edition
- From Old English sceadd, either from Celtic (see Irish Gaelic sgadan (“herring"), Welsh ysgadan) or from Scandinavian (see dialectical Norwegian skadd (“small whitefish")